<template>
  <div class="login">
    <div class="container">
      <div>
        <img src="../assets/avatar.jpg"
             alt=""
             class="avatar"/>
      </div>
      <!-- 登陆表单 -->
      <el-form ref="loginForm"
               :model="loginForm"
               :rules="rules">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username"
                    prefix-icon="myicon myicon-user"
                    placeholder="请输入用户名"
                    ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password"
                    prefix-icon="myicon myicon-key"
                    placeholder="请输入用密码"
                    @keyup.enter.native="loginSubmit"
                    type="passWord"
                    ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary"
                     class="login-btn"
                     @click="loginSubmit">登陆</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { login } from '@/api/users_api.js'
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      rules: {
        username: [
          { required: true, message: '用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码', trigger: 'change' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 调用表单中的vilidate验证
    loginSubmit () {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          login(this.loginForm)
            .then((res) => {
              // console.log(res)
              if (res.data.meta.status === 200) {
                localStorage.setItem('token', res.data.data.token)
                this.$router.push({ name: 'home' })
              } else {
                this.$message({
                  type: 'warning',
                  message: res.data.meta.msg
                })
              }
            })
            .catch((err) => {
              console.log(err)
            })
        } else {
          this.$message.error('账户密码有误')
          return false
        }
      })
    }
  }
}
</script>

<style lang="less">
.login {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #2f4050;
  .container {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 0px 40px 15px 40px;
    margin: 200px auto;
    background: white;
    .avatar {
      position: relative;
      left: 50%;
      width: 120px;
      height: 120px;
      margin-left: -60px;
      margin-top: -60px;
      box-sizing: border-box;
      border-radius: 50%;
      border: 10px solid #fff;
      box-shadow: 0 1px 5px #ccc;
      overflow: hidden;
    }
    .login-btn {
      width: 100%;
    }
  }
}
.el-form {
  text-align: center;
}
</style>
